6761506253 has 4 divisors (see below), whose sum is σ = 6761671740. Its totient is φ = 6761340768.

The previous prime is 6761506249. The next prime is 6761506261. The reversal of 6761506253 is 3526051676.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4132175524 + 2629330729 = 64282^2 + 51277^2 .

It is a cyclic number.

It is not a de Polignac number, because 6761506253 - 2² = 6761506249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6761506253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6764506253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27551 + ... + 119507.

It is an arithmetic number, because the mean of its divisors is an integer number (1690417935).

Almost surely, 2^6761506253 is an apocalyptic number.

It is an amenable number.

6761506253 is a deficient number, since it is larger than the sum of its proper divisors (165487).

6761506253 is an equidigital number, since it uses as much as digits as its factorization.

6761506253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165486.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 6761506253 is about 82228.3786353592. The cubic root of 6761506253 is about 1890.9548149037.

The spelling of 6761506253 in words is "six billion, seven hundred sixty-one million, five hundred six thousand, two hundred fifty-three".